/*
  Copyright 2011 fullkawa

   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
   You may obtain a copy of the License at

       http://www.apache.org/licenses/LICENSE-2.0

   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.
 */
package jp.fullkawa.xnovel.connector;

import java.text.MessageFormat;
import java.util.ResourceBundle;

import org.apache.commons.lang.StringUtils;

import jp.fullkawa.xnovel.HasMultiTag;

/**
 * シーンとシーンをつなぐ
 * @author fullkawa
 */
public abstract class Connector implements HasMultiTag
{

	public String getTag(String key, Object[] o)
	{
		ResourceBundle resource = ResourceBundle.getBundle("html_tag");
		String template = resource.getString(key);

		if (o != null) {
			for (int i=0; i<o.length; i++)
			{
				if (o[i] != null && o[i] instanceof String)
				{
					// 簡易的なエスケープ
					String str = (String) o[i];
					str = str.replaceAll("<", "&lt;");
					str = str.replaceAll(">", "&gt;");

					o[i] = str;
				}
			}
		}
		return MessageFormat.format(template, o);
	}

	public abstract String[] getTags();

	public String getIndent()
	{
		return this.getIndent(1);
	}

	public String getIndent(int num)
	{
		return StringUtils.repeat("  ", num);
	}
}
